Multi-spectral imaging system and multi-spectral imaging method based on double cameras

A multi-spectral imaging, dual-camera technology, applied in the field of optical imaging, can solve the problems of high processing difficulty and high implementation cost, and achieve the effects of reduced processing difficulty, reduced implementation cost, accurate algorithm and processing calculation

Inactive Publication Date: 2012-12-05
INST OF AUTOMATION CHINESE ACAD OF SCI
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Problems solved by technology

[0004] Since this technology needs to use three cameras and two computers to work together, the processing is difficult and the implementation cost is also high.

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  • Multi-spectral imaging system and multi-spectral imaging method based on double cameras
  • Multi-spectral imaging system and multi-spectral imaging method based on double cameras
  • Multi-spectral imaging system and multi-spectral imaging method based on double cameras

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Embodiment Construction

[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0045] The invention adopts an optical splitting prism to divide the light passing through the lens into two, and uses two CCD cameras to simultaneously collect in real time. A band-pass filter is added in front of each camera, so that the two cameras can image in different light wavelength ranges, and finally image processing is performed through software, and images of different spectral bands are stitched together to achieve the image effect of fluorescence and visible light fusion. At present, most near-infrared video imaging products on the market use a single CCD camera for imaging. The disadvantage is that only fluorescent images can be seen during imaging, and visible light images that people see with the naked eye...

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Abstract

The invention discloses a multi-spectral imaging system and a multi-spectral imaging method based on double cameras. The system comprises a system supporting module, a light source module, an optical signal acquiring module and a computer module, wherein the system supporting module is used for supporting and connecting various components; the light source module is used for providing infrared light and visible light; the optical signal acquiring module is used for acquiring fluorescent light and visible light images; and the computer module is used for controlling the optical signal acquiring module to acquire images, processing the acquired images and displaying the processed images. Light which passes through a lens is divided into two parts by an optical beam splitter prism, the two parts of light are simultaneously acquired by the two charged coupled device (CCD) cameras in real time, problems in the prior art are solved effectively, the technological monopoly of foreign companies in China is broken, the barrier of multi-spectral video imaging research is lowered, the selectable space for optical molecular image probes is expanded, and the optical molecular image research and application range is also expanded.

Description

technical field [0001] The invention relates to the technical field of optical imaging, in particular to a dual-camera-based multispectral imaging system and method. Background technique [0002] In recent years, due to the continuous development of molecular imaging technology, after radionuclide imaging, positron emission tomography, single photon emission computed tomography and magnetic resonance imaging, high-resolution optical imaging has appeared, among which near-infrared fluorescence imaging attention. The ability of light to penetrate tissue is related to the intensity of light absorbed by the tissue, the characteristics of light waves, the structure of biological tissue and its physical and chemical properties. The Near-Infrared (NIR) of 650-900nm is called "Tissue Optical Window", which has the following advantages compared with visible light: (1) The absorption and scattering effect of biological tissue on this band of near-infrared light The smallest, near-in...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/28G01J3/10
Inventor 田捷迟崇巍秦承虎杨鑫
Owner INST OF AUTOMATION CHINESE ACAD OF SCI
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